getmodel3=figure('color',[1,1,1],'position',[0.15*winw,0.3*winh,0.7*winw,0.6*winh],...
       'name','離散系統(tǒng)之前向通道脈沖傳遞函數(shù)及反饋回路脈沖傳遞函數(shù)','numbertitle','off','menubar','none',...
       'resize','off','clipping','off');
syms a b c s t T z f
color=[0.8;0.8;0.8];
%dknum=[  ];dkden=[  ];
dhfT=get(edittime,'string');dhT=eval(dhfT);
[dktanum,dktaden]=tf2dtf(num,den,dhT);
[dhffnum,dhffden]=tf2dtf(ffnum,ffden,dhT);

uicontrol('style','frame','position',[0,0,1,1],...
   'units','normalized','backgroundcolor',color);
pos=[0.01,0.85,0.32,0.1];
showtext(pos,color,'前向通道脈沖傳遞函數(shù)分子:');
editdknum=uicontrol(getmodel3,'style','edit','pos',[0.3,0.9,0.62,0.07],...
        'string',mat2str(dktanum),'back',[1,1,1],'units','normalized');
pos(2)=0.75;
showtext(pos,color,'前向通道脈沖傳遞函數(shù)分母:');
editdkden=uicontrol(getmodel3,'style','edit','pos',[0.3,0.8,0.62,0.07],...
        'string',mat2str(dktaden),'back',[1,1,1],'units','normalized');
pos(2)=0.65;
showtext(pos,color,'反饋回路脈沖傳遞函數(shù)分子:');
editdhknum=uicontrol(getmodel3,'style','edit','pos',[0.3,0.7,0.62,0.07],...
        'string',mat2str(dhffnum),'back',[1,1,1],'units','normalized');
pos(2)=0.55;
showtext(pos,color,'反饋回路脈沖傳遞函數(shù)分母:');
editdhkden=uicontrol(getmodel3,'style','edit','pos',[0.3,0.6,0.62,0.07],...
        'string',mat2str(dhffden),'back',[1,1,1],'units','normalized');
pos(2)=0.45;
showtext(pos,color,'采樣周期:');
edittime=uicontrol(getmodel3,'style','edit','pos',[0.3,0.5,0.62,0.07],...
        'string',mat2str(dhT),'back',[1,1,1],'units','normalized');


pos(2)=0.3;
pos(4)=0.07;
showtext(pos,color,'反饋性質(zhì)確定:');
color=[0.8;0.8;0.8];
uicontrol('style','frame','position',[0.1,0.16,0.8,0.14],...
   'units','normalized','backgroundcolor',color);
dfadeback=0;
radio1=uicontrol('style','radio','position',[0.52,0.18,0.15,0.1],'units','normal','string','正反饋','value',0,...
   'callback','set(radio1,''value'',1);set(radio2,''value'',0);dfadeback=1;');
radio2=uicontrol('style','radio','position',[0.72,0.18,0.15,0.1],'units','normal','string','負(fù)反饋','value',1,...
   'callback','set(radio2,''value'',1);set(radio1,''value'',0);dfadeback=0;');
radio3=uicontrol('style','radio','position',[0.12,0.18,0.15,0.1],'units','normal','string','無(wú)反饋','value',0,...
   'callback','set(radio3,''value'',1);set(radio4,''value'',0);set(radio1,''enable'',''off'');set(radio2,''enable'',''off'');set(editfnum,''enable'',''off'');set(editfden,''enable'',''off'');dfadeback=2;');
radio4=uicontrol('style','radio','position',[0.32,0.18,0.15,0.1],'units','normal','string','有反饋','value',1,...
   'callback','set(radio4,''value'',1);set(radio3,''value'',0);set(radio1,''enable'',''on'');set(radio2,''enable'',''on'');set(editfnum,''enable'',''on'');set(editfden,''enable'',''on'');dfadeback=0;');
uicontrol(getmodel3,'style','push','string','Z域分析',...
       'position',[0.23,0.03,0.2,0.1],'units','normalized',...
      'callback','close(getmodel3)','callback','dkreal3z;');
uicontrol(getmodel3,'style','push','string','Cancel',...
       'position',[0.55,0.03,0.2,0.1],'units','normalized',...
      'callback','close(getmodel3)');